CN211977249U - A dual heat energy full constant temperature water heater - Google Patents

Abstract

The utility model discloses a double-heat energy full-constant-temperature water heater, which comprises a shell, wherein an air inlet pipe, an exhaust port, an inlet pipe and an outlet pipe are arranged on the shell, a gas proportional valve, a burner, a heat exchanger and an exhaust hood fan assembly are sequentially connected between the air inlet pipe and the exhaust port, the inlet pipe is connected with the water inlet end of the heat exchanger, an electric heating temperature control bin which is heated when the required water temperature is lower than the minimum heat load heating water temperature of the burner is connected between the water outlet end of the heat exchanger and the outlet pipe, a water temperature sensor for detecting the water temperature is arranged on the outlet pipe, a main controller is arranged in the shell and is respectively connected with the gas proportional valve, the burner and the electric heating temperature control bin, on the basis of the gas water heater, when the required heat load is smaller than the minimum heat load which can be realized by the water, only the electric heating temperature control bin needs to be controlled to heat, and the problem of high outlet water temperature is solved.

Description

A dual heat energy full constant temperature water heater

[Technical field]

The utility model relates to a double thermal energy full constant temperature water heater.

[Background technique]

When consumers buy domestic gas instant water heaters, they often only pay attention to the rated hot water production capacity liters and functions, but ignore the minimum hot water production capacity. Therefore, when the general thermostatic water heater is used in summer, when the water flow is not large due to the low water supply pressure or the small angle valve channel, the water temperature cannot be lowered, so the complaints of excessive water temperature follow. For gas water heaters with preheating cycle function, there is a considerable amount of hot water remaining in the pipe after preheating, and the water temperature exceeds the required temperature. Complaints about hot water and fluctuating water temperature also arise.

The minimum hot water production capacity corresponds to the minimum heat load, and the two are positively correlated. Limited by interrelated factors such as tempering, wind pressure resistance, flameout and condensate water, in order to meet the requirements of national standards for safety and reliability, domestic gas-fired instant water heaters must have a certain minimum heat load value. In a specific user environment, the water flow through the water heater is certain, so the minimum heat load determines the temperature rise of the hot water.

[utility model content]

The utility model overcomes the deficiencies of the above-mentioned technologies and provides a dual heat energy full constant temperature water heater.

To achieve the above object, the utility model adopts the following technical solutions:

A dual heat energy full constant temperature water heater is characterized in that: it includes a casing 1, and the casing 1 is provided with an air inlet pipe 2, a smoke exhaust port 3, a water inlet pipe 4 and a water outlet pipe 5, and the air inlet pipe 2 and the smoke exhaust port are arranged on the outer casing 1. A gas proportional valve 6, a burner 7, a heat exchanger 8, and a fume exhaust hood fan assembly 9 are connected in sequence between 3. The water inlet pipe 4 is connected to the water inlet end of the heat exchanger 8, and the water outlet of the heat exchanger 8 is connected. Between the end and the water outlet pipe 5, there is an electric heating temperature control bin 10 for heating when the required outlet water temperature is lower than the minimum heat load heating water temperature of the burner 7. The outlet pipe 5 is provided with an outlet water temperature sensor 11 for detecting the outlet water temperature. , the casing 1 is provided with a main controller 12, the main controller 12 is respectively connected with the gas proportional valve 6, the burner 7, and the electric heating temperature control bin 10.

The above-mentioned dual heat energy full constant temperature water heater is characterized in that: the electric heating temperature control bin 10 includes an electric heater 101 connected to the main controller 12, and a heating water pipe 102 is spirally wound on the outside of the electric heater 101 , the heating water pipe 102 is connected between the water outlet end of the heat exchanger 8 and the water outlet pipe 5 .

The above-mentioned dual heat energy full constant temperature water heater is characterized in that: the water inlet pipe 4 and the water inlet end of the heat exchanger 8 are connected with the main controller 12 and are connected with a circulating water pump 13 for circulating heating of cold water. The circulating water inlet end of the circulating water pump 13 is connected to the water outlet end of the heat exchanger 8, and the water pipe of the heat exchanger 8 is provided with a water temperature sensor 14 connected to the main controller 12 for detecting the water temperature of the water pipe of the heat exchanger 8.

The above-mentioned dual heat energy full constant temperature water heater is characterized in that: between the water outlet end of the circulating water pump 13 and the water inlet end of the heat exchanger 8, there is a water inlet ratio connected to the main controller 12 for controlling the water flow. valve 15.

The above-mentioned dual heat energy full thermostatic water heater is characterized in that: the water inlet end of the water inlet proportional valve 15 is provided with a water inlet temperature sensor 16 connected to the main controller 12 for detecting the inlet water temperature.

The above-mentioned dual heat energy full constant temperature water heater is characterized in that: an input panel 17 and a display panel 18 respectively connected to the main controller 12 are provided on the outer surface of the casing 1 .

The beneficial effects of the present utility model are:

The utility model is based on a gas water heater, and an electric heating temperature control chamber is added at the water outlet end of the heat exchanger. When the required heat load is less than the minimum heat load that can be realized by the water heater, only the heating of the electric heating temperature control chamber is controlled to solve the problem. It solves the problems of high outlet water temperature and poor user experience; the utility model is provided with a circulating water pump, which can realize zero cold water output, and can adjust the gas proportional valve and the water inlet proportional valve according to the feedback water temperature of the inlet water temperature sensor and the outlet water temperature sensor. Better realization of constant temperature hot water output.

[Description of drawings]

Fig. 1 is the utility model schematic diagram;

Fig. 2 is one of the internal structure diagrams of the utility model;

Figure 3 is the second internal structure diagram of the utility model.

[Detailed ways]

Below in conjunction with the accompanying drawings and the embodiments of the present utility model are described in further detail:

As shown in Figures 1-3, a dual heat energy full constant temperature water heater includes a casing 1, and the casing 1 is provided with an air inlet pipe 2, a smoke exhaust port 3, a water inlet pipe 4 and a water outlet pipe 5. The air inlet pipe 2 A gas proportional valve 6, a burner 7, a heat exchanger 8, and a smoke exhaust hood fan assembly 9 are connected in sequence with the smoke exhaust port 3. The water inlet pipe 4 is connected to the water inlet end of the heat exchanger 8. Between the water outlet end of the exchanger 8 and the water outlet pipe 5, there is an electric heating temperature control bin 10 for heating when the required outlet water temperature is lower than the minimum heat load heating water temperature of the burner 7, and the water outlet pipe 5 is provided with a device for detecting the outlet water temperature. The outlet water temperature sensor 11 is provided with a main controller 12 in the casing 1 , and the main controller 12 is respectively connected with the gas proportional valve 6 , the burner 7 and the electric heating temperature control bin 10 .

When the water heater is in operation, the gas enters the burner 7 through the intake pipe 2 and the gas proportional valve 6 to burn and heat the heat exchanger 8. The burned gas is discharged through the exhaust hood fan assembly 9 at the exhaust port 3, and the water enters the heat exchanger through the water inlet pipe 4. The exchanger 8 and the electric heating temperature control bin 10 are then output from the water outlet pipe 5, and the water temperature can also be controlled by the gas proportional valve 6 according to the feedback water temperature of the water outlet temperature sensor 11 to adjust the water temperature of the outlet water.

Wherein, the water inlet pipe 4 and the water inlet end of the heat exchanger 8 are connected to the main controller 12 and are connected with a circulating water pump 13 for circulating heating of cold water, and the circulating water inlet end of the circulating water pump 13 is connected to the water outlet of the heat exchanger 8 The heat exchanger 8 water pipe is provided with an exchanger water temperature sensor 14 connected to the main controller 12 for detecting the water temperature of the heat exchanger 8 water pipe. When the water temperature of the water pipe detected by the exchanger water temperature sensor 14 is lower than the user When the temperature is required, the circulating water pump 13 works to make the water in the water pipes of the heat exchanger 8 undergo internal circulation heating and output; The water inlet proportional valve 15 for controlling the water flow is used to adjust the inlet water flow and the outlet water temperature; the outlet end of the water inlet proportional valve 15 is provided with a water inlet temperature sensor 16 connected to the main controller 12 for detecting the inlet water temperature, Cooperate with the outlet water temperature sensor 11 to feedback the water temperature to better adjust the gas proportional valve 6 and the inlet water proportional valve 15 to realize constant temperature water outlet.

When the heat load required by the user of the outlet water temperature is between the maximum heat load and the minimum heat load of the water heater, the main controller 12 adjusts the gas input size through the gas proportional valve 6 according to the outlet water temperature fed back by the outlet water temperature sensor 11 to achieve a constant temperature output of hot water; When the heat load of the user's demand for the outlet water temperature exceeds the maximum heat load of the water heater, the main controller 12 reduces the inlet water flow through the inlet water proportional valve 15, and cooperates with the gas proportional valve 6 to adjust and reduce the amount of gas inlet, so as to achieve a constant temperature of the outlet water; when the user When the heat load of the required outlet water temperature is lower than the minimum heat load of the water heater, the main controller 12 closes the gas proportional valve 15 and increases the water inlet flow through the circulating water pump 13, and only controls the electric heating temperature control bin 10 to electrically heat the outlet water to achieve a constant temperature of the outlet water. So as to realize the full constant temperature water outlet of the water heater under any circumstances.

Among them, the electrical output of the electric heating temperature control bin 10 can be divided into multiple gears or voltage changes, so as to realize the continuous output of electrical power.

As shown in FIG. 2 , the electric heating temperature control bin 10 includes an electric heater 101 connected to the main controller 12 , and a heating water pipe 102 is spirally wound on the outside of the electric heater 101 , and the heating water pipe 102 is connected to the heat exchange Between the water outlet end of the water heater 8 and the water outlet pipe 5, when the electric heating temperature control chamber 10 is working, the electric heater 101 performs heating work, and heats the flowing water when it passes through the heating water pipe 102, and passes through the heat exchanger 8 and the electric heating temperature control chamber 10. Thermal full temperature water outlet function.

As shown in FIG. 1 , an input panel 17 and a display panel 18 respectively connected to the main controller 12 are provided on the outer surface of the casing 1 .

Claims (6)

1. The utility model provides a two full constant temperature water heaters of heat energy which characterized in that: including shell (1), be equipped with intake pipe (2), exhaust port (3), inlet tube (4) and outlet pipe (5) on shell (1), be connected with gas proportional valve (6), combustor (7), heat exchanger (8), enclosure fan subassembly (9) of discharging fume between intake pipe (2) and exhaust port (3) in order, inlet tube (4) and heat exchanger (8) end of intaking are connected, be connected with between heat exchanger (8) play water end and outlet pipe (5) and carry out electric heat accuse temperature storehouse (10) that heats when demand leaving water temperature is less than combustor (7) minimum heat load heating temperature, be equipped with on outlet pipe (5) and be used for detecting out leaving water temperature sensor (11) of temperature degree, be equipped with master controller (12) in shell (1), master controller (12) respectively with gas proportional valve (6), The burner (7) is connected with the electric heating temperature control bin (10).

2. The dual-heat energy all-constant-temperature water heater according to claim 1, characterized in that: electric heat accuse temperature storehouse (10) is including electric heater (101) of being connected with master controller (12), electric heater (101) outside spiral winding has heating water pipe (102), heating water pipe (102) are connected between heat exchanger (8) play water end and outlet pipe (5).

3. The dual-heat energy all-constant-temperature water heater according to claim 1, characterized in that: the utility model discloses a cold water circulation system, including inlet tube (4), heat exchanger (8), inlet water end, heat exchanger (8) are connected between the end and are connected with main controller (12) circulating water pump (13) that are used for the cold water inner loop heating, circulating water pump (13) circulation is intake the end and is connected with heat exchanger (8) play water end, be equipped with on heat exchanger (8) the water pipe and be connected with main controller (12) and be used for detecting exchanger (8) water pipe temperature sensor (14) of temperature.

4. A dual-heat-energy all-constant-temperature water heater according to claim 3, characterized in that: and a water inlet proportional valve (15) which is connected with the main controller (12) and is used for controlling water flow is arranged between the water outlet end of the circulating water pump (13) and the water inlet end of the heat exchanger (8).

5. The dual-heat energy all-constant-temperature water heater according to claim 4, characterized in that: and the water outlet end of the water inlet proportional valve (15) is provided with a water inlet temperature sensor (16) which is connected with the main controller (12) and is used for detecting the water inlet temperature.

6. The dual-heat energy all-constant-temperature water heater according to claim 1, characterized in that: an input panel (17) and a display panel (18) which are respectively connected with the main controller (12) are arranged on the outer side surface of the shell (1).

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